AOC LE32H1461/20 Service Manual page 55

U401B
G2
PDD0
PDD0 OSCL0
PDD1 G4
PDD1 OSDA0
K3
PDD2
PDD2 OSCL1
G3
PDD3
PDD3 OSDA1
PDD4 H3
PDD4
PDD5 J6
PDD5 XTALI
G1
PDD6
PDD6 XTALO
J3
PDD7
PDD7
PARB# K4
PARB# ORESETB
J1
POOE#
POOE# OPWRSB
J2
POCE1#
POCE1# OIRI
POCE0# J4
TP409
POCE0#
K1
PACLE
PACLE U0RX
K2
PAALE
PAALE U0TX
POWE# J5
POWE#
AVDD33_REG_STB
A20
FSRC_WR
TP401
FSRC_WR AVDD10_LDO
R407
MT5561LVNT
4.7K 1/16W
20mil
3V3SB
AVDD33_REG_STB
C404
100NF 16V
UART Port 0
033G3802 3 : high 6.0mm
3V3SB
311GW200G03BAL : high 11mm
R411 R412
4.7K 1/16W 4.7K 1/16W
U0TX R170 100R 1/16W 5%
U0RX
R171 100R 1/16W 5%
ZD109 ZD110
AZ5123-01H
SYSTEM EEPROM
DVDD3V3
LO = >WRITE
HI = >WP
5/28
R421 R422 R423
4.7K 1/16W 10K +-1% 1/16W 10K +-1% 1/16W
SY S_EEPROM_WP
R425
OSCL0
0R05 1/16W R172 100R 1/16W 5%
OSDA0 R173 100R 1/16W 5%
DVDD3V3
R5
OSCL0
P5 OSDA0
F4
OSCL1
F5
OSDA1
V19 XTALI
W20
XTALO
FB409 120R
W10 1 2 ORESET#
T2
OPWRSB
T3
OIRI
U2
U0RX DVDD3V3
U1
U0TX
T17
AVDD33_REG_STB
Y 10
AVDD10_LDO
C402
4.7UF 10% 10V
C405
100NF 16V
24MHz CRYSTAL
10mil
X401
CN402
1 3
XTALI XTALO
1
24MHz
2
3
C406
TXC
15PF 50V
CONN
AZ5123-01H
Heat Sink
U406
8 1
VCC E0
7 2
HS401
WC E1
6 3
SCL E2
5 4 2
SDA VSS
1
M24128-BRMN6TP
HEAT SINK
I2C ADDRESS "A0"
NAND Flash
U405
TC58NVG0S3ETAI0
1 48
NC NC
2 47
NC NC
3 46
NC NC
4 45
NC NC
5 44
PDD7
NC I/O7
6 43
PDD6
NC I/O6
PARB# 7 42 PDD5
R/B1 I/O5
8 41
POOE# PDD4
RE I/O4
9 40
POCE1#
CE1 NC
10 39
DVDD3V3
NC NC
11 38
NC NC
12 37
VDD VDD
13 36
VSS VSS
14 35
NC NC
15 34
NC NC
PACLE 16 33
CLE NC
17 32
PAALE PDD3
ALE I/O3
18 31
POWE# PDD2
WE I/O2
Flash_WP# 19 30 PDD1
WP I/O1
20 29 PDD0
NC I/O0
21 28
NC NC
22 27
C403
NC NC
23 26
100NF 16V
NC NC
24 25
NC NC
RESET Circuit
3V3SB
R477
16K 1%
ORESET#
R479 C462
22K 1% 100NF 16V
C407
15PF 50V
C462 close to Scaler: Pin W10
55
C401
100NF 16V
LED_POWER_RED OPCTRL0
R473
0R05 1/16W
LED_PWR_Blue OPCTRL1
R474
0R05 1/16W
STRAPPING
DVDD3V3 R415
3V3SB R417
R419
BGA Strapping
ICE mode + 24M + serial boot
ICE moce + 24M + ROM to Nand boot
ICE mode + 27M + serial boot
ICE moce + 27M + ROM to Nand boot
3,5,6,7,8,9,10,11,12,13,14,15,16,17,18 GND
3,8,10,13,14 3V3SB 3V3SB
DVDD3V3
3,5,6,8,9,10,11,13,15,16,17,18 DVDD3V3
GPIO Interface
OPWRSB
OPWRSB 3
SY S_EEPROM_WP
SY S_EEPROM_WP 14
OIRI
OIRI 10
I2C & UART Interface
OSCL0
OSCL0 6
OSDA0
OSDA0 6
OSCL1
OSCL1 11,18
OSDA1
OSDA1 11,18
U0TX
U0TX 16
U0RX
U0RX 16
LED_POWER_RED
LED_POWER_RED 10,14
LED_PWR_Blue
LED_PWR_Blue 10,14
OPWRSB
R414 10K +-1% 1/16W
PACLE
10K +-1% 1/16W R416 NC/10K 1/16W 5%
OPCTRL0
NC/10K 1/16W 5% R418 10K +-1% 1/16W
OPCTRL1
NC/10K 1/16W 5% R420 10K +-1% 1/16W
OPCTRL1 PACLE OPWRSB OPCTRL0
X 0 0 0
X 1 0 0
X 0 0 1
X 1 0 1